TreeSelect.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\Implementation\Component\Input\Field;
 
use ILIAS\UI\Component as C;
use ILIAS\Language\Language;
use ILIAS\Refinery\Constraint;
use ILIAS\Refinery\Factory as Refinery;
use ILIAS\Data\Factory as DataFactory;
 
class TreeSelect extends HasDynamicInputs implements C\Input\Field\TreeSelect
{
    public function __construct(
        Language $language,
        DataFactory $data_factory,
        Refinery $refinery,
        C\Input\Container\Form\FormInput $dynamic_input_template,
        protected C\Input\Field\Node\NodeRetrieval $node_retrieval,
        string $label,
        ?string $byline = null
    ) {
        parent::__construct(
            $language,
            $data_factory,
            $refinery,
            $dynamic_input_template,
            $label,
            $byline
        );
    }
 
    public function getNodeRetrieval(): C\Input\Field\Node\NodeRetrieval
    {
        return $this->node_retrieval;
    }
 
    public function getUpdateOnLoadCode(): \Closure
    {
        return static fn($id) => '';
    }
 
    protected function getConstraintForRequirement(): ?Constraint
    {
        if ($this->requirement_constraint !== null) {
            return $this->requirement_constraint;
        }
 
        return $this->refinery->logical()->logicalOr([
            $this->refinery->numeric()->isNumeric(),
            $this->refinery->string()->hasMinLength(1),
        ])->withProblemBuilder(fn($txt, $value) => sprintf($txt('not_greater_than'), 0));
    }
 
    protected function isClientSideValueOk($value): bool
    {
        if (is_null($value)) {
            return parent::isClientSideValueOk($value);
        }
        if (!is_string($value) && !is_int($value)) {
            return false;
        }
        return parent::isClientSideValueOk($value);
    }
}